Home / 18,521,428.86-27,783,193.06-5,743,750.14

Finding the Fourth Proportional to 18,521,428.86, 27,783,193.06 and 5,743,750.14

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Solution

The fourth proportional to 18,521,428.86, 27,783,193.06 and 5,743,750.14 is: 8,615,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,428.86 : 27,783,193.06 = 5,743,750.14 : x
  2. Step 2: Convert to fraction form
    18,521,428.86/27,783,193.06 = 5,743,750.14/x
  3. Step 3: Cross multiply
    18,521,428.86x = 27,783,193.06 × 5,743,750.14
  4. Step 4: Simplify right side
    18,521,428.86x = 159,579,719,028,022
  5. Step 5: Solve for x
    x = 159,579,719,028,022/18,521,428.86
  6. Step 6: Final answer
    x = 8,615,950.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.